Many people think that animals in the z_oo__ are very happy and lucky,but most of t_hem__are sad.animals like tigers,lions and bears usually live in forest___or moutains.they run,jump,play with their children and c_atch___small animals for food.but now thy have to s_tay___in cages or small rooms in the zoo.they do not have to f_ind____food by themselves because the zoo keepers f_eed_____them.they do n_othing____but eat,walk and sleep every day.their life in zoo is quite d_ifferent_____from that in the because they are not f_ree_____.
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